A) \[\frac{1}{2}\]
B) \[\frac{1}{4}\]
C) \[\frac{1}{\sqrt{2}}\]
D) \[\frac{3}{4}\]
Correct Answer: A
Solution :
\[e=\sqrt{\frac{{{h}_{2}}}{{{h}_{1}}}}=\sqrt{\frac{h/4}{h}}=\frac{1}{2}\]
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